1. <5 pts> Given 256 GB of physical memory, a 2-way set associative cache that is 128 KB in size with a block offset of 4 bits, answer the following:

1.b. ( 0.5 pts) How many bytes in each cache block?

1.c. ( 0.5 pts) How many blocks in this cache?

1.i. ( 0.5 pts) How many bytes of memory are required to store the tag bits in this cache?

1.j. ( 0.5 pts) How many bytes of memory are required to physically build this cache?